Mack and Orin are studying for their accounting exam at the beach. Mack shares some statements with Orin about Activities. Which of the statements Mack shared are true? A B Examples of Activities include Customer Support Overhead Cost, Production Overhead Cost, Order Processing Overhead Cost, Accounting Overhead Cost, Legal Overhead Cost. An Activity is an allocation base in an activity-based costing system. C Examples of Activities include Customer Support, Production, Order Processing, Accounting and Legal. D An Activity is a type of duration driver used in activity-based costing systems.